var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var session = require("express-session");
var logger = require("morgan");
var cors = require("cors");

var indexRouter = require("./routes/index");
var usersRouter = require("./routes/users");
const { checkToken } = require("./utils/auth");

var app = express();
app.use(cors());

// session配置项
app.use(
  session({
    secret: "lkjlkjs", //秘钥
    cookie: { maxAge: 60 * 1000 * 60 * 24 * 7 }, //cookie的过期时间
    resave: true, //即使session没有被修改，也保存session
    saveUninitialized: true, //无论有没有session cookie，每次都设置session cookie
  })
);

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use(logger("dev"));
app.use(express.json({ limit: "10000kb" }));
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

app.use(
  "/pro",
  (req, res, next) => {
    checkToken(req, res, next);
  },
  indexRouter
);
app.use("/users", usersRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;
